Remove the old integration-tests.sh script

ci/integration-tests.sh

@@ -1,37 +0,0 @@
-#!/usr/bin/env bash
-set -ex
-
-if [[ -z "$INTEGRATION" ]]; then
-    exit 0
-fi
-
-CARGO_TARGET_DIR=$(pwd)/target/
-export CARGO_TARGET_DIR
-
-rm ~/.cargo/bin/cargo-clippy
-cargo install --force --debug --path .
-
-echo "Running integration test for crate ${INTEGRATION}"
-
-git clone --depth=1 "https://github.com/${INTEGRATION}.git" checkout
-cd checkout
-
-# run clippy on a project, try to be verbose and trigger as many warnings
-# as possible for greater coverage
-# NOTE: we use `tee` to print any warnings and errors to stdout
-#       to avoid build timeout in Travis
-RUST_BACKTRACE=full \
-cargo clippy \
-    --all-targets \
-    --all-features \
-    -- \
-    --cap-lints warn \
-    -W clippy::pedantic \
-    -W clippy::nursery \
-    2>&1 | tee clippy_output
-
-cargo uninstall clippy
-
-if grep -q "internal compiler error\|query stack during panic\|E0463" clippy_output; then
-    exit 1
-fi